2493160

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 5659560

約数和(自身を除く): 3166400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 397, 628, 785, 794, 1256, 1570, 1588, 1985, 3140, 3176, 3970, 6280, 7940, 15880, 62329, 124658, 249316, 311645, 498632, 623290, 1246580, 2493160]

約数ペア:

[(1, 2493160), (2, 1246580), (4, 623290), (5, 498632), (8, 311645), (10, 249316), (20, 124658), (40, 62329), (157, 15880), (314, 7940), (397, 6280), (628, 3970), (785, 3176), (794, 3140), (1256, 1985), (1570, 1588)]